When speaking with 7 News Brock’s parents Jan and Rick had one clear message.

“Please come home. We need you and we love you.”

A Facebook group ‘Help us find Brock Hewitt’ has been created to boost the search.

Police say this week there have been multiple reported sightings of Brock in Townsville.

Brock is about 175cm tall with a slim build and fair skin with the word ‘HEWITT’ tattooed on his left arm.

A number of veterans are conducting a search between Townsville and Cairns, putting up the posters and asking locals for intel.

Anyone who sees Mr Hewitt or his vehicle are asked to call police immediately on 131444. Anyone who has information about Mr Hewitt is asked to contact Crime Stoppers on 1800 333 000 or make an online report at www.crimestopperswa.com.auPlease quote Reference Number 9126.